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Finding the Fourth Proportional to 958,512, 1,322,746.56 and 534,576

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Solution

The fourth proportional to 958,512, 1,322,746.56 and 534,576 is: 737,714.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,512 : 1,322,746.56 = 534,576 : x
  2. Step 2: Convert to fraction form
    958,512/1,322,746.56 = 534,576/x
  3. Step 3: Cross multiply
    958,512x = 1,322,746.56 × 534,576
  4. Step 4: Simplify right side
    958,512x = 707,108,565,058.56
  5. Step 5: Solve for x
    x = 707,108,565,058.56/958,512
  6. Step 6: Final answer
    x = 737,714.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.